44. Solution to Chemistry Problem

44. Solution to Chemistry Problem

5. Table 3 shows the kinetic parameters of the reactions:
Ea is the activation energy, A is the pre-exponential factor in the Arrhenius equation, and n is the reaction order. Determine the reaction rate constant at a given temperature T1 and the amount of starting materials (C) consumed over time (t) if the initial concentrations of the starting materials are equal (C0).
Table 3
Reactions Reaction order
A, s-1 Ea,
kJ/
mol t,
min C0,
kmol/
m3 T1, K
C2H5Br=C2H4 HBr
1
7.2×1012
218.0
10
0.8
1200

When performing calculations, pay attention to the definition of the dimensionality of the rate constant.

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